package com.github.willisaway.core.util;

import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

/**
 * 
 * @author liyougen
 * 2017-8-4
 *
 */
public class SpringUtil{
    private static ApplicationContext applicationContext = null;  
      
    public static void setApplicationContext(ApplicationContext applicationContext){  
        if(SpringUtil.applicationContext == null){  
            SpringUtil.applicationContext  = applicationContext;  
        }
        System.out.println("---------------simple.plugin.spring.SpringUtil------------------------------------------------------");  
        System.out.println("========ApplicationContext配置成功,在普通类可以通过调用SpringUtils.getAppContext()获取applicationContext对象,applicationContext="+SpringUtil.applicationContext+"========");  
        System.out.println("---------------------------------------------------------------------");
    }
  
    //获取applicationContext  
    public static ApplicationContext getApplicationContext() {  
        return applicationContext;  
    }  
  
    //通过name获取 Bean.  
    public static Object getBean(String name){  
        return getApplicationContext().getBean(name);  
  
    }  
  
    //通过class获取Bean.  
    public static <T> T getBean(Class<T> clazz){  
        return getApplicationContext().getBean(clazz);  
    }  
  
    //通过name,以及Clazz返回指定的Bean  
    public static <T> T getBean(String name,Class<T> clazz){  
        return getApplicationContext().getBean(name, clazz);  
    }
}
